The decomposition of N₂O5 in carbon tetrachloride has been studied: 2 N₂Os (g) ->>> 2 N₂O4 (g) + O₂(g) The concentration of N₂O5 is monitored for 1200 seconds and measured every 400 seconds. The data are tabulated below: time(s) [N₂O5] (M) 1.40 At(s) A[N₂O5](M) - Rate =L A[N₂O5]/At(M/s) - 0.0 400.0 1.10 800.0 0.87 1200.0 0.68 (a) Fill the blanks in the table. Note that the last column is the average rate of reaction. (b) Briefly explain why the rates are decreasing. --

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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. The decomposition of N₂O5 in carbon tetrachloride has been studied:
2 N₂O5 (g) → 2 N₂O4 (g) + O₂(g)
The concentration of N₂O5 is monitored for 1200 seconds and
measured every 400 seconds. The data are tabulated below:
[N₂O5]
(M)
0.0
1.40
400.0
1.10
800.0
0.87
1200.0
0.68
(a) Fill the blanks in the table. Note that the last column is the
average rate of reaction.
(b) Briefly explain why the rates are decreasing.
time(s)
At(s)
Rate =-
A[N₂O5]/At(M/s)
A[N₂O5](M)
Transcribed Image Text:. The decomposition of N₂O5 in carbon tetrachloride has been studied: 2 N₂O5 (g) → 2 N₂O4 (g) + O₂(g) The concentration of N₂O5 is monitored for 1200 seconds and measured every 400 seconds. The data are tabulated below: [N₂O5] (M) 0.0 1.40 400.0 1.10 800.0 0.87 1200.0 0.68 (a) Fill the blanks in the table. Note that the last column is the average rate of reaction. (b) Briefly explain why the rates are decreasing. time(s) At(s) Rate =- A[N₂O5]/At(M/s) A[N₂O5](M)
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